（c）词义缺乏确指（lack of specification），词本身意义清楚，但属于泛指。（d）词义多项化（indeterminacy of meaning），词本身的意义并非一成不变。
基于16个网页-相关网页
It also suffers from the lack of an authoritative formal definition, resulting in successive "add on" clarifications that have patched some of the holes in the original specification document.
它也缺少一种权威的正式定义，导致后来需要“附加”说明来修补原始规范文档的各种漏洞。
Part of the reason this feature is missing from the specification is the lack of a mechanism for referring to a group of EJB components, for example, through an expression language with wildcards.
规范中没有该特性的部分原因是缺少用于引用 EJB 组件群的机制，例如，使用通配符的语言表达方式。
To address the lack of agreement among browser vendors, the specification was modified to handle different types of video (see Listing 3).
为解决不同浏览器供应商之间缺乏一致性的问题，该规范进行了修改，以处理不同类型的视频(见清单3)。
应用推荐